inferFromSelected.js

    getSelectedCell() {
        const { board } = this.state
        const selected = board.get('selected')
        return selected && board.get('puzzle').getIn([selected.x,selected.y])
    }

    renderCell(cell, x, y) {
        const { board } = this.state
        const selected = this.getSelectedCell()
        const sameValue = selected && selected.get('value') && value === selected.get('value')
        const isSelected = cell === selected
        return <Cell prefilled={prefilled} notes={notes} sameValue={sameValue} isSelected={isSelected} isPeer={peer} value={value}
                     onClick={() => { this.selectCell(x, y)}} key={y} x={x} y={y} conflict={conflict}/>
    }